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Single Family ResidenceResidential

815 THOMAS RUN DR

GREAT FALLS, VA 22066
4
Beds
5 / 1
Baths
5,636 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
1.84 ac
Lot SizeThe size of the land the home sits on, from county records.
2015
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$19,648 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$1,699,680 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$691,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,008,680
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,627,880
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,699,680

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyFairfax
Lot (acres)The size of the land the home sits on, from county records.1.84
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 320 ft²Patio · 320 ft²Porch · 720 ft²

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Forestville Elementary SchoolA+
Elementary · Grades PK–6 · 2.6 mi
M
Cooper Middle SchoolA+
Middle · Grades 7–8 · 10.2 mi
H
Langley High SchoolA+
High · Grades 9–12 · 11.5 mi

District: Fairfax County Public Schools

Neighborhood · ZIP 22066These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.45
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.35

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.18,712
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.706 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$238,115
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$308,878
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.42 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

815 Thomas Run Dr measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Bigger than 98% of homes in Fairfax County
  • Has a bigger lot than 97% of homes in Fairfax County
  • Newer than 96% of homes in Fairfax County

How it measures up in Great Falls 22066

The dot is this home. The mark in the middle is the typical home in Great Falls 22066.

Living area5,636 ft²
SmallerTypical 3,589 ft²Bigger

Bigger than 83% of homes nearby

Lot size1.84 ac
SmallerTypical 1.17 acBigger

Bigger than 66% of homes nearby

Year built2015
OlderTypical 1985Newer

Newer than 93% of homes nearby

How 815 Thomas Run Dr ranks against every home in each area.
MeasureThis homeGreat Falls 22066Fairfax County
Living areabigger than5,636 ft²83% of homes98% of homes
Lot sizebigger than1.84 ac66% of homes97% of homes
Year builtnewer than201593% of homes96% of homes

About 815 Thomas Run Dr

When did 815 Thomas Run Dr, Great Falls, VA last sell?

815 Thomas Run Dr, Great Falls, VA last sold on Nov 6, 2019, according to the county's recorded deed.

How big is 815 Thomas Run Dr, Great Falls, VA?

815 Thomas Run Dr, Great Falls, VA has 4 bedrooms, 5 bathrooms, 5,636 square feet of living space and a 1.84-acre lot.

When was 815 Thomas Run Dr, Great Falls, VA built?

815 Thomas Run Dr, Great Falls, VA was built in 2015, making it 11 years old. The building has 2 stories.

What schools serve 815 Thomas Run Dr, Great Falls, VA?

815 Thomas Run Dr, Great Falls, VA is assigned to Forestville Elementary School (elementary), rated A+; Cooper Middle School (middle), rated A+; Langley High School (high), rated A+. All sit in Fairfax County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 815 Thomas Run Dr, Great Falls, VA compare to other homes in Great Falls 22066?

Among the 6,206 homes in Great Falls 22066, it is bigger than 83% of them (5,636 ft² against a typical 3,589 ft²), its lot is bigger than 66% of them (1.84 ac against a typical 1.17 ac) and it is newer than 93% of them (2015 against a typical 1985). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 815 Thomas Run Dr, Great Falls, VA?

The 2025 property tax bill for 815 Thomas Run Dr, Great Falls, VA was $19,648. The county assessed it at $1,699,680.

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